Product description： 1. Step drill bits are perfect for drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm.
| Product Description |
| Procuct Name | Titanium Coating Double R Shank Spiral Flute HSS Step Drill Bit for Metal Tube Sheet Drilling |
| Size | 6-35mm (6mm, 8mm, 10mm, 13mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30mm, 32mm, 35mm) |
| Material | HSS (Cobalt M35 is Available) |
| Flute Type | Spiral Flute (Straight Flute is Available) |
| Flute Number | Two Flutes (Single Flute, Three Flutes are Available) |
| Shank | Double R Shank (Three Flats Shank, Quick Change Hex Shank, Round Shank are Available) |
| Surface Finish | TiN (Bright, Black & Amber, Co-coated, Black Oxide, Black & Bright, TiAIN are Available) |
| Package | One Piece in Double Blister or Plastic Tube |
| Features |
1. Step drill bits are perfect for drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm. 2. 135° Split Point Tip: increases cutting speed with self-centering and the drills do not run off center. 3. A variety of hole diameters can be drilled using only one tool. 4. The dimension of drilled hole is exact. 5. Two Flute Design: provides longer life and better chip removal. 6. The Spiral Groove: creates better, less noise, less force has to be used. 7. Only for rotary use. |
| Product Sizes |
We Can Produce All Sizes of Step Drill Bits as Your Requirement ,Please Contact Us If You Need.
Contact: David Yu
Phone: +86-139-52828006
Tel: +86-139-52828006
Add: Houxiang, Danbei Town, Danyang City, Jiangsu, China, 212300
